#include<stdio.h>
#include<stdlib.h>

#define MYVAL "myval"


int main(int argc,char* argv[], char* env[])
{
    printf("%d\n", argc);
    printf("%s\n",argv[0]);
    printf("%s\n",env[0]);
    char* tmp = getenv(MYVAL);
    printf("%s\n",tmp);
    return 0;
}
